You may recognize the Corsair Graphite Series 230T ATX from the Halloween contest which has yet to be won, Ryan promises to do it soon. While you wait you can read [H]ard|OCP's review of this case and their thoughts on its construction. As you can see from the picture below the case can hold GTX 280 cards, it is 505x210x440mm (19.9x8.3x17.3") which gives you quite a bit of space to work with. It is not often you see a case that costs less than $90 picking up a Silver Award.

"Corsair has been known for RAM for well over a decade now, but it has become a big player in the computer case market in the last few years. The Corsair Graphite Series 230T ATX case is designed for "fast and straightforward system building, by design." Its list of features is impressive, so let's see how it hold up under pressure."